In the transformation: Na(s)→Na+(g), the energies involved are
A
Ionization energy
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B
Sublimation energy
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C
Ionization energy and sublimation energy
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D
Bond dissociation energy
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Solution
The correct option is C Ionization energy and sublimation energy Na(s)→Na(g) The energy requires to convert a neutral gaseous atom into an ion is known as ionisation energy. So it first involves the sublimation of solid sodium and then is followed by ionization. Option c is correct.